IBM Langflow OSS 1.0.0-1.10.0 Authenticated File Read & JWT Forgery
CVE-2026-7872 Published on July 17, 2026
Path Traversal Vulnerability in File Component Leading to Arbitrary File Read and Authentication Bypass
IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to read arbitrary files including the JWT signing key and forge authentication tokens for any user.
Vulnerability Analysis
CVE-2026-7872 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-7872 has been classified to as a Directory traversal vulnerability or weakness.
Products Associated with CVE-2026-7872
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Affected Versions
IBM Langflow OSS:- Version 1.0.0, <= 1.10.0 is affected.